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From: zkabelac@sourceware.org To: lvm-devel@redhat.com, lvm2-cvs@sourceware.org Subject: LVM2 ./WHATS_NEW lib/metadata/metadata-exporte ... Date: Fri, 21 May 2010 14:07:00 -0000 [thread overview] Message-ID: <20100521140724.17575.qmail@sourceware.org> (raw) CVSROOT: /cvs/lvm2 Module name: LVM2 Changes by: zkabelac@sourceware.org 2010-05-21 14:07:19 Modified files: . : WHATS_NEW lib/metadata : metadata-exported.h replicator_manip.c Log message: Replicator: add read and release VGs for rsites Add functions to read and release remote VGs for replicator sites in activation context. Patches: http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/WHATS_NEW.diff?cvsroot=lvm2&r1=1.1584&r2=1.1585 http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/metadata/metadata-exported.h.diff?cvsroot=lvm2&r1=1.150&r2=1.151 http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/metadata/replicator_manip.c.diff?cvsroot=lvm2&r1=1.5&r2=1.6 --- LVM2/WHATS_NEW 2010/05/21 12:55:25 1.1584 +++ LVM2/WHATS_NEW 2010/05/21 14:07:16 1.1585 @@ -1,5 +1,6 @@ Version 2.02.67 - =============================== + Add functions for read and release VGs list. Add find_replicator_vgs() to discover all needed VGs for replicator-dev LV. Add functions for handling cmd_vg structure. Extend _lv_each_dependency() with Replicator dependencies. --- LVM2/lib/metadata/metadata-exported.h 2010/05/21 12:55:25 1.150 +++ LVM2/lib/metadata/metadata-exported.h 2010/05/21 14:07:17 1.151 @@ -817,6 +817,9 @@ int find_replicator_vgs(struct logical_volume *lv); +int lv_read_replicator_vgs(struct logical_volume *lv); +void lv_release_replicator_vgs(struct logical_volume *lv); + struct logical_volume *find_pvmove_lv(struct volume_group *vg, struct device *dev, uint32_t lv_type); struct logical_volume *find_pvmove_lv_from_pvname(struct cmd_context *cmd, --- LVM2/lib/metadata/replicator_manip.c 2010/05/21 13:34:09 1.5 +++ LVM2/lib/metadata/replicator_manip.c 2010/05/21 14:07:19 1.6 @@ -635,3 +635,59 @@ return ret; } + +/** + * Read all remote VGs from lv's replicator sites. + * Function is used in activation context and needs all VGs already locked. + */ +int lv_read_replicator_vgs(struct logical_volume *lv) +{ + struct replicator_device *rdev; + struct replicator_site *rsite; + struct volume_group *vg; + + if (!lv_is_replicator_dev(lv)) + return 1; + + dm_list_iterate_items(rsite, &first_seg(lv)->replicator->rsites) { + if (!rsite->vg_name) + continue; + vg = vg_read(lv->vg->cmd, rsite->vg_name, 0, 0); // READ_WITHOUT_LOCK + if (vg_read_error(vg)) { + log_error("Unable to read volume group %s", + rsite->vg_name); + goto bad; + } + rsite->vg = vg; + /* FIXME: handling missing LVs needs to be better */ + dm_list_iterate_items(rdev, &rsite->rdevices) + if (!(rdev->lv = find_lv(vg, rdev->name))) { + log_error("Unable to find %s in volume group %s", + rdev->name, rsite->vg_name); + goto bad; + } + } + + return 1; +bad: + lv_release_replicator_vgs(lv); + return 0; +} + +/** + * Release all VG resources taken by lv's replicator sites. + * Function is used in activation context and needs all VGs already locked. + */ +void lv_release_replicator_vgs(struct logical_volume *lv) +{ + struct replicator_site *rsite; + + if (!lv_is_replicator_dev(lv)) + return; + + dm_list_iterate_back_items(rsite, &first_seg(lv)->replicator->rsites) + if (rsite->vg_name && rsite->vg) { + vg_release(rsite->vg); + rsite->vg = NULL; + } +}
next reply other threads:[~2010-05-21 14:07 UTC|newest] Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top 2010-05-21 14:07 zkabelac [this message] -- strict thread matches above, loose matches on Subject: below -- 2011-12-01 0:09 jbrassow 2011-10-28 20:12 zkabelac 2011-10-07 14:56 jbrassow 2011-09-14 9:57 zkabelac 2011-09-07 8:34 zkabelac 2011-08-18 19:43 jbrassow 2011-08-18 19:34 jbrassow 2011-03-11 14:56 prajnoha 2011-03-02 20:00 mbroz 2011-02-25 14:02 prajnoha 2010-05-21 12:55 zkabelac 2010-05-21 12:52 zkabelac 2010-05-14 15:19 jbrassow 2010-03-16 15:30 agk 2010-03-16 14:37 agk 2009-07-14 2:19 wysochanski 2009-06-05 20:00 mbroz 2009-06-01 14:43 mbroz 2009-02-03 16:19 wysochanski 2008-04-23 14:33 wysochanski 2008-02-13 20:01 meyering 2008-01-18 22:02 agk 2008-01-16 18:15 agk 2008-01-07 20:42 mbroz 2007-11-15 2:20 agk 2007-10-12 14:08 wysochanski 2007-09-20 21:39 wysochanski 2007-08-30 20:30 wysochanski 2007-08-21 17:38 wysochanski 2007-07-23 17:27 wysochanski
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